Patents by Inventor Yutaka WATARAI

Yutaka WATARAI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Raw material supply device and sheet manufacturing apparatus
    Patent number: 11059199
    Abstract: A raw material supply device includes a housing that stores an aggregate of small pieces, a discharge port through which the small pieces are discharged from an inside of the housing, a rotor provided in the housing and including a protruding portion, and a magnet provided on the discharge port or on a downstream side of the discharge port. In addition, it is preferable that the raw material supply device further include a passage route that communicates with the discharge port and through which the small pieces pass, in which at least one pair of the magnets is disposed on one side and the other side via the passage route.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: July 13, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yutaka Watarai, Toshiaki Yamagami
  • RAW MATERIAL SUPPLY DEVICE AND SHEET MANUFACTURING APPARATUS
    Publication number: 20190263018
    Abstract: A raw material supply device includes a housing that stores an aggregate of small pieces, a discharge port through which the small pieces are discharged from an inside of the housing, a rotor provided in the housing and including a protruding portion, and a magnet provided on the discharge port or on a downstream side of the discharge port. In addition, it is preferable that the raw material supply device further include a passage route that communicates with the discharge port and through which the small pieces pass, in which at least one pair of the magnets is disposed on one side and the other side via the passage route.
    Type: Application
    Filed: February 27, 2019
    Publication date: August 29, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yutaka WATARAI, Toshiaki YAMAGAMI